20189896144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{6991}}^1$

素因数の和:7340

約数の個数: 80

約数和(自身を含む): 43541141760

約数和(自身を除く): 23351245616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 269, 488, 538, 671, 976, 1076, 1342, 2152, 2684, 2959, 4304, 5368, 5918, 6991, 10736, 11836, 13982, 16409, 23672, 27964, 32818, 47344, 55928, 65636, 76901, 111856, 131272, 153802, 180499, 262544, 307604, 360998, 426451, 615208, 721996, 852902, 1230416, 1443992, 1705804, 1880579, 2887984, 3411608, 3761158, 4690961, 6823216, 7522316, 9381922, 15044632, 18763844, 20686369, 30089264, 37527688, 41372738, 75055376, 82745476, 114715319, 165490952, 229430638, 330981904, 458861276, 917722552, 1261868509, 1835445104, 2523737018, 5047474036, 10094948072, 20189896144]

約数ペア:

[(1, 20189896144), (2, 10094948072), (4, 5047474036), (8, 2523737018), (11, 1835445104), (16, 1261868509), (22, 917722552), (44, 458861276), (61, 330981904), (88, 229430638), (122, 165490952), (176, 114715319), (244, 82745476), (269, 75055376), (488, 41372738), (538, 37527688), (671, 30089264), (976, 20686369), (1076, 18763844), (1342, 15044632), (2152, 9381922), (2684, 7522316), (2959, 6823216), (4304, 4690961), (5368, 3761158), (5918, 3411608), (6991, 2887984), (10736, 1880579), (11836, 1705804), (13982, 1443992), (16409, 1230416), (23672, 852902), (27964, 721996), (32818, 615208), (47344, 426451), (55928, 360998), (65636, 307604), (76901, 262544), (111856, 180499), (131272, 153802)]